Heinz Alex Schulenklopper was in hiding with five others in the Valeriusstraat in Amsterdam: Lodewijk Jack Gompertz, his grandmother Kaatje Gompertz-Goudsmit, Nico Prins and his wife Suze Kogel and Saliena Vos. They were betrayed and were picked up by members of the Kolonne Henneicke on 22 September 1943.
A. van Liempt, Kopgeld. Nederlandse premiejagers op zoek naar joden, 1943 (Amsterdam 2002) 76
Biography